18009870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:329

約数の個数: 64

約数和(自身を含む): 45342720

約数和(自身を除く): 27332850

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 127, 145, 163, 174, 254, 290, 326, 381, 435, 489, 635, 762, 815, 870, 978, 1270, 1630, 1905, 2445, 3683, 3810, 4727, 4890, 7366, 9454, 11049, 14181, 18415, 20701, 22098, 23635, 28362, 36830, 41402, 47270, 55245, 62103, 70905, 103505, 110490, 124206, 141810, 207010, 310515, 600329, 621030, 1200658, 1800987, 3001645, 3601974, 6003290, 9004935, 18009870]

約数ペア:

[(1, 18009870), (2, 9004935), (3, 6003290), (5, 3601974), (6, 3001645), (10, 1800987), (15, 1200658), (29, 621030), (30, 600329), (58, 310515), (87, 207010), (127, 141810), (145, 124206), (163, 110490), (174, 103505), (254, 70905), (290, 62103), (326, 55245), (381, 47270), (435, 41402), (489, 36830), (635, 28362), (762, 23635), (815, 22098), (870, 20701), (978, 18415), (1270, 14181), (1630, 11049), (1905, 9454), (2445, 7366), (3683, 4890), (3810, 4727)]